15784560

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1993}}^1$

素因数の和:2023

約数の個数: 120

約数和(自身を含む): 57857904

約数和(自身を除く): 42073344

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 99, 110, 120, 132, 144, 165, 176, 180, 198, 220, 240, 264, 330, 360, 396, 440, 495, 528, 660, 720, 792, 880, 990, 1320, 1584, 1980, 1993, 2640, 3960, 3986, 5979, 7920, 7972, 9965, 11958, 15944, 17937, 19930, 21923, 23916, 29895, 31888, 35874, 39860, 43846, 47832, 59790, 65769, 71748, 79720, 87692, 89685, 95664, 109615, 119580, 131538, 143496, 159440, 175384, 179370, 197307, 219230, 239160, 263076, 286992, 328845, 350768, 358740, 394614, 438460, 478320, 526152, 657690, 717480, 789228, 876920, 986535, 1052304, 1315380, 1434960, 1578456, 1753840, 1973070, 2630760, 3156912, 3946140, 5261520, 7892280, 15784560]

約数ペア:

[(1, 15784560), (2, 7892280), (3, 5261520), (4, 3946140), (5, 3156912), (6, 2630760), (8, 1973070), (9, 1753840), (10, 1578456), (11, 1434960), (12, 1315380), (15, 1052304), (16, 986535), (18, 876920), (20, 789228), (22, 717480), (24, 657690), (30, 526152), (33, 478320), (36, 438460), (40, 394614), (44, 358740), (45, 350768), (48, 328845), (55, 286992), (60, 263076), (66, 239160), (72, 219230), (80, 197307), (88, 179370), (90, 175384), (99, 159440), (110, 143496), (120, 131538), (132, 119580), (144, 109615), (165, 95664), (176, 89685), (180, 87692), (198, 79720), (220, 71748), (240, 65769), (264, 59790), (330, 47832), (360, 43846), (396, 39860), (440, 35874), (495, 31888), (528, 29895), (660, 23916), (720, 21923), (792, 19930), (880, 17937), (990, 15944), (1320, 11958), (1584, 9965), (1980, 7972), (1993, 7920), (2640, 5979), (3960, 3986)]